OK, we're flattered (if I may presume to speak for the list), but our
ignorance on the details of Datsuns may prove a handicap.
Does it have a vacuum brake booster? Mechanical or electrical fuel pump?
HIF or HS-4 or which SU? Does this happen with the clutch pedal down or
in neutral?
Kensington Furniture Company had this to say:
>Some of you may say, go to the other list. Well, I'm already there and
>have exhausted all suggestions there and came here to pick your
>experienced brains. Nothing quite beats experience. And, I'm always
>asked what year my MG is, so, here goes.
>
>The problem (occurred after new exhaust header and new rebuilt carbs
>installed):
>
>Hard braking when out of gear causes tachometer to nose dive and not
>recover. Car starts right back up and runs fine except for the problem
>when hard braking.
>
>Cannot find any vacuum leaks anywhere, have adjusted carbs and floats
>from very lean to extremely rich and all points in between, changed fuel
>filters, reset timing from 0 to 16 BTDC with no luck improving the
>problem. Even adjusted the valves, no help.
>
>The car:
>
>1970 Datsun 1600 Roadster with SU carbs
>
>I know, I know - MG List, but I need more help just the same. Any
>thoughts on this problem are greatly appreciated. I've been looking at
>it sitting for a month now and can't think of anything new to check.
>
>Thanks!
>
>Jim
>
>
>
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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